Related Clues:

• Up, as a vote
• Certain
• Secret competitor
• 'Why not?'
• Go-ahead
• 'Undoubtedly'
• Inevitable
• Aye
• Exclamation of affirmation
• Put to work
• See 11-Down
• 'You said it!'
• Sycophant's response
• Thumbs up
• 'My pleasure!'